Home / 393,032.04-542,795.91-270,842.13

Finding the Fourth Proportional to 393,032.04, 542,795.91 and 270,842.13

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Solution

The fourth proportional to 393,032.04, 542,795.91 and 270,842.13 is: 374,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,032.04 : 542,795.91 = 270,842.13 : x
  2. Step 2: Convert to fraction form
    393,032.04/542,795.91 = 270,842.13/x
  3. Step 3: Cross multiply
    393,032.04x = 542,795.91 × 270,842.13
  4. Step 4: Simplify right side
    393,032.04x = 147,011,999,020.81
  5. Step 5: Solve for x
    x = 147,011,999,020.81/393,032.04
  6. Step 6: Final answer
    x = 374,045.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.